twice a year, whether it is a car or a bus or a truck, is the rule that every driver must obey in this city．
| A．Examining | B．Examined | C．Being examined | D．Having been examined |
, he wanted to buy his son a cheap toy for his birthday．
| A．As he is short of money | B．He was short of money |
| C．Short of money as he was | D．As was he short of money |
They considered a computer, which was considereda great help in their work．
| A．to buy; to be | B．buying; being | C．to buy; being | D．buying; to be |
If we can our present difficulties, then everything should be all right?
| A．come across | B．get over |
| C．come over | D．get off |
---Is there anything wrong, Bob? You look sad．
---Oh, nothing much．In fact, I of my friends back home．
| A．have just thought | B．was just thinking |
| C．would just think | D．will just be thinking |